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GD25Q40CTEG Datasheet(HTML) 5 Page - GigaDevice Semiconductor (Beijing) Inc.

Part No. GD25Q40CTEG
Description  3.3V Uniform Sector Dual and Quad Serial Flash
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Maker  GIGADEVICE [GigaDevice Semiconductor (Beijing) Inc.]
Homepage  http://www.gigadevice.com/
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GD25Q40CTEG Datasheet(HTML) 5 Page - GigaDevice Semiconductor (Beijing) Inc.

 
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3.3V Uniform Sector
Dual and Quad Serial Flash
GD25Q40C
5
2. GENERAL DESCRIPTION
The GD25Q40C (4M-bit) Serial flash supports the standard Serial Peripheral Interface (SPI), and supports the
Dual/Quad SPI: Serial Clock, Chip Select, Serial Data I/O0 (SI), I/O1 (SO), I/O2 (WP#), and I/O3 (HOLD#). The Dual I/O
data is transferred with speed of 240Mbits/s and the Quad I/O & Quad output data is transferred with speed of 480Mbits/s.
CONNECTION DIAGRAM
CS#
SO/
IO1
WP#/
IO2
VSS
Top View
VCC
HOLD#/
IO3
SCLK
SI/
IO0
8–LEAD VSOP/SOP
1
2
3
4
5
6
7
8
Top View
8–LEAD WSON/USON
1
2
3
4
5
6
7
8
CS#
SO/
IO1
WP#/
IO2
VSS
VCC
HOLD#/
IO3
SCLK
SI/
IO0
PIN DESCRIPTION
Pin Name
I/O
Description
CS#
I
Chip Select Input
SO (IO1)
I/O
Data Output (Data Input Output 1)
WP# (IO2)
I/O
Write Protect Input (Data Input Output 2)
VSS
Ground
SI (IO0)
I/O
Data Input (Data Input Output 0)
SCLK
I
Serial Clock Input
HOLD# (IO3)
I/O
Hold Input (Data Input Output 3)
VCC
Power Supply
Note: CS#
must be driven high if chip is not selected. Please don’t leave CS# floating any time after power is on.


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